CVE-2020-35927 : Vulnerability Insights and Analysis

An issue was discovered in the thex crate through 2020-12-08 for Rust. Thex<T> allows cross-thread data races of non-Send types.

Understanding CVE-2020-35927

This CVE identifies a vulnerability in the thex crate for Rust that can lead to cross-thread data races of non-Send types.

What is CVE-2020-35927?

The CVE-2020-35927 vulnerability pertains to the thex crate in Rust, enabling data races involving non-Send types across threads.

The Impact of CVE-2020-35927

The vulnerability can potentially result in data corruption, unexpected behavior, or crashes in Rust applications utilizing the thex crate.

Technical Details of CVE-2020-35927

The technical aspects of the CVE-2020-35927 vulnerability are as follows:

Vulnerability Description

The issue in the thex crate allows for cross-thread data races involving non-Send types, posing a risk to application integrity.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions of the thex crate through 2020-12-08 for Rust are affected.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to manipulate non-Send types across threads, potentially leading to data race conditions.

Mitigation and Prevention

To address CVE-2020-35927, consider the following mitigation strategies:

Immediate Steps to Take

Update the thex crate to a patched version that addresses the vulnerability.
Review and modify code to ensure proper handling of non-Send types in multi-threaded scenarios.

Long-Term Security Practices

Regularly monitor for updates and security advisories related to the thex crate and Rust.
Implement secure coding practices to prevent data race vulnerabilities in Rust applications.

Patching and Updates

Apply patches or updates provided by the Rust community for the thex crate to mitigate the vulnerability.